Michigan
Snakes in Washtenaw County
15 species have been documented here, 1 of them venomous.
Venomous snakes in Washtenaw County
Full guide & what to do if bitten →
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Washtenaw County

Common Garter Snake
Thamnophis sirtalis
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Butler's Garter Snake
Thamnophis butleri
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Eastern Massasauga
Sistrurus catenatus
Venomous

Eastern Milksnake
Lampropeltis triangulum
Harmless

Common Ribbon Snake
Thamnophis saurita
Harmless

North American Racer
Coluber constrictor
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Queensnake
Regina septemvittata
Harmless

Smooth Greensnake
Opheodrys vernalis
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Kirtland's Snake
Clonophis kirtlandii
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Washtenaw County: FAQ
- Are there venomous snakes in Washtenaw County, Michigan?
- Yes. 1 venomous snake species has verified records in Washtenaw County, Michigan, including Eastern Massasauga. Most snakes in Washtenaw County, Michigan, however, are harmless.
- How many snake species live in Washtenaw County, Michigan?
- 10+ snake species have verified records in Washtenaw County, Michigan, of which 1 is venomous.
- What is the most commonly seen snake in Washtenaw County, Michigan?
- The Common Garter Snake is the most frequently reported snake in Washtenaw County, Michigan, based on verified wildlife observations.
- What should I do if I see a venomous snake in Washtenaw County, Michigan?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.